/in/foo.cc:29:14: error: stray '\357' in program
     }else if(！isRunNian(year)){
              ^
/in/foo.cc:29:15: error: stray '\274' in program
     }else if(！isRunNian(year)){
               ^
/in/foo.cc:29:16: error: stray '\201' in program
     }else if(！isRunNian(year)){
                ^
/in/foo.cc: In function 'int isRunNian(int)':
/in/foo.cc:22:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^